PE19695A1 - Circuito de exploracion de puntos - Google Patents

Circuito de exploracion de puntos

Info

Publication number
PE19695A1
PE19695A1 PE1994257668A PE25766894A PE19695A1 PE 19695 A1 PE19695 A1 PE 19695A1 PE 1994257668 A PE1994257668 A PE 1994257668A PE 25766894 A PE25766894 A PE 25766894A PE 19695 A1 PE19695 A1 PE 19695A1
Authority
PE
Peru
Prior art keywords
point exploration
well
resistor
exploration circuit
circuit
Prior art date
Application number
PE1994257668A
Other languages
English (en)
Inventor
Melian Jesus Pena
Original Assignee
Telefonica Nacional Espana Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Telefonica Nacional Espana Co filed Critical Telefonica Nacional Espana Co
Publication of PE19695A1 publication Critical patent/PE19695A1/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/24—Arrangements for testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Electronic Switches (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Networks Using Active Elements (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

CARACTERIZADO PORQUE PARA CADA SENAL DE ENTRADA AL MULTIPLEXOR SE DISPONE DE UNA FUENTE DE CORRIENTE FORMADA POR: A) UN TRANSISTOR, B) UNA RESISTENCIA, ASI COMO, C) UNA RESISTENCIA ASOCIADA DE LIMITACION DEL VALOR DE LA CORRIENTE INVERSA EXISTIENDO DISPUESTA UNA RED ATENUADORA FORMADA POR DOS RESISTENCIAS ASI COMO UN CONDENSADOR-FILTRO PASO BAJO ASOCIADO A LA RED ATENUADORA
PE1994257668A 1993-12-31 1994-12-22 Circuito de exploracion de puntos PE19695A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES09302744A ES2096514B1 (es) 1993-12-31 1993-12-31 Circuito de exploracion de puntos.

Publications (1)

Publication Number Publication Date
PE19695A1 true PE19695A1 (es) 1995-07-17

Family

ID=8284099

Family Applications (1)

Application Number Title Priority Date Filing Date
PE1994257668A PE19695A1 (es) 1993-12-31 1994-12-22 Circuito de exploracion de puntos

Country Status (9)

Country Link
US (1) US5636262A (es)
EP (1) EP0666672A3 (es)
BR (1) BR9405458A (es)
CO (1) CO4290544A1 (es)
DZ (1) DZ1841A1 (es)
ES (1) ES2096514B1 (es)
MA (1) MA23410A1 (es)
PE (1) PE19695A1 (es)
UY (1) UY23879A1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2080669B1 (es) * 1993-12-09 1996-07-16 Telefonica Nacional Espana Co Circuito hibrido para punto de actuacion y exploracion, aplicable en los registradores electronicos de centrales telefonicas electromecanicas.
US5809109A (en) * 1995-06-01 1998-09-15 Advanced Micro Devices, Inc. Integrated ring sensor with fault detection
KR20060072783A (ko) * 2004-12-23 2006-06-28 엘지전자 주식회사 플라즈마 표시장치
US8789524B2 (en) * 2008-01-22 2014-07-29 General Electric Company Pulse width modulated medical gas concentration control
JP5764911B2 (ja) * 2010-11-01 2015-08-19 ソニー株式会社 組電池及び電力消費機器

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022978A (en) * 1975-11-14 1977-05-10 Telesciences, Inc. Event monitoring transceiver
FR2396477A1 (fr) * 1977-06-30 1979-01-26 Telic Procede et dispositif de controle de connexions electriques notamment pour telecommunications
GB2056093B (en) * 1979-08-07 1983-04-27 Standard Telephones Cables Ltd Monitoring a number of voltage conditions
GB2056092B (en) * 1979-08-07 1983-04-27 Standard Telephones Cables Ltd Line signal monitor
DE2938982C2 (de) * 1979-09-26 1984-12-13 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung für eine eigenprüfbare Teilnehmeranschlußschaltung mit Erkennung des Schaltzustandes einer Teilnehmerleitung
JPS58181193A (ja) * 1982-04-16 1983-10-22 株式会社日立製作所 表示駆動装置
DE3223292C2 (de) * 1982-06-22 1986-11-27 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur Feststellung des Schaltzustandes einer Teilnehmeranschlußleitung in Fernmeldeanlagen
JPS59160772A (ja) * 1984-02-21 1984-09-11 Matsushita Electric Ind Co Ltd 線路異常検出装置
JPS613073A (ja) * 1984-06-18 1986-01-09 Fuji Facom Corp アナログ計測システムにおける断線検出方式
AR240603A1 (es) * 1985-04-30 1990-05-31 Siemens Ag Disposicion de circuito de prueba de lineas de conexion de abonados de disposisiones de enlace telefonico, para determinar tensiones analogicas producidas en dichas lineas de conexion de abonado
US4697099A (en) * 1986-10-30 1987-09-29 International Business Machines Corporation Open line detector circuit
US4864598A (en) * 1988-07-20 1989-09-05 Keptel, Inc. Loop status verification system
US5062131A (en) * 1990-01-09 1991-10-29 Edward Kanare Telephone line monitoring circuit for providing a visual and auditory signal if the telephone line becomes inoperative
US5003573A (en) * 1990-04-12 1991-03-26 Rolm Systems Self-diagnosis of loop start and ground start trunk interfaces
US5515417A (en) * 1994-06-29 1996-05-07 Harris Corporation Ground key detector for a SLIC

Also Published As

Publication number Publication date
EP0666672A3 (en) 1999-03-17
DZ1841A1 (fr) 2002-02-17
ES2096514B1 (es) 1998-02-16
ES2096514A2 (es) 1997-03-01
MA23410A1 (fr) 1995-07-01
EP0666672A2 (en) 1995-08-09
CO4290544A1 (es) 1996-04-17
UY23879A1 (es) 1995-01-13
ES2096514R (es) 1997-06-01
US5636262A (en) 1997-06-03
BR9405458A (pt) 1995-09-19

Similar Documents

Publication Publication Date Title
DE69024988D1 (de) Optische Schaltanordnung zur bidirektionalen Signalübertragung zwischen mehreren Endeinrichtungen
BR7708058A (pt) Lampada de ceramica tendo eletrodos sustentados por condutor de entrada tubular retorcido
SE7702060L (sv) Sett och anordning for att overvaka driftberedskap hos en syrgasmetsond
FR2339922A1 (fr) Dispositif de signalisation lumineux
DK147585C (da) Enkeltkanalimpulsdopplerradarmodtager med sidesloejfedetekteringskredsloeb
PE19695A1 (es) Circuito de exploracion de puntos
ES2055799T3 (es) Dispositivo de autocalibracion para un telefono de manos libres conmutado por voz.
AT397718B (de) Niveau-messgerät für elektrisch nicht leitende flüssigkeiten
FR2380213A1 (fr) Casse-fil capacitif
BR9103194A (pt) Disjuntor com dispositivo de calibracao indicador de violacao
SE7805720L (sv) Sett att framstella en elektriskt isolerande glasfilm pa kiselstal
AT362011B (de) Einrichtung zur kurzschlussueberwachung
AT382459B (de) Digitale, lichtelektrische messeinrichtung
AT372224B (de) Ueberspannungsableiter mit kurzverzoegerter trenn- vorrichtung
BR7700987A (pt) Aparelho receptor para deteccao de pelo menos duas frequencias vocais num sinal acustico recebido com sinalizacao mfc
BR7906292A (pt) Instrumento de medicao com montagem de circuito impresso
BR7807531A (pt) Configuracao de circuito i.f.de receptor de televisao
ES2023310A6 (es) Dispositivo de control de nivel de liquidos.
SE7812040L (sv) Radaranordning med last mottagarbandbredd
SE8100698L (sv) Metanordning for undersokning av egenskaper hos i ett pammultipelfelt ingaende element i en elektronisk teleforbindelsevexel
JPS56158566A (en) Transmission system of measuring signal
SE8600638D0 (sv) Anordning for strom- och spenningsmetning i en luftisolerad hogspenningsanleggning
ATA698478A (de) Schaltungsanordnung fuer fernmeldevermittlungsanlagen, insbesondere fernsprechvermittlungsanlagen, mit schalteinrichtungen und ihnen gemeinsamen abfrageeinrichtungen
GR32435B (el) Ηλεκτρικον μετρον υγρας σταθμης.
FR2599848B1 (fr) Dispositif de mesure de courant, et pince amperemetrique le comportant

Legal Events

Date Code Title Description
FG Grant, registration
FD Application declared void or lapsed